#include <stdio.h>

int main()
{

    enum DAY1
    {
        MON,
        TUE,
        WED,
        THU,
        FRI,
        SAT,
        SUN
    } d1;
    enum
    {
        MON,
        TUE,
        WED,
        THU,
        FRI,
        SAT,
        SUN
    } d2;

    enum DAY3
    {
        MON,
        TUE,
        WED,
        THU,
        FRI,
        SAT,
        SUN
    };
    enum DAY3 d3;

    typedef enum
    {
        MON,
        TUE,
        WED,
        THU,
        FRI,
        SAT,
        SUN
    } DAY4;

    DAY4 d4;

    return 0;
}
